first installment, a billion dollars next month. >> we're committed to do this, we have to begin the process. it's a personal commitment, it's a commitment of the entire leadership team of the company to repay the taxpayer. >> reporter: for now, though, g.m. is simply returning some of the money the government extended it. paying off the loan with actual profits will obviously have to wait until there are some. g.m.'s losses are partially due to increased spending on things like new critically acclaimed models and more marketing. the host of new vehicles means g.m. is charging more on average than its competitors. in some cases, a lot more. and while the car site edmunds.com says its sure say ares show increasing interest in the new models, the same survey shows g.m.'s pricing may well be discouraging consumers from buying what it's offering. dean reynolds, cbs news, chicago. >> couric: and coming up next here on the "cbs evening news", the battle between sarah palin and team mccain about what really happened in campaign '08.